Pork barrel started in the American era. In the book The Senate 1789-1989: Addresses on the History of the United States Senate, former US senator Robert Byrd wrote that the term “pork barrel” refers to the national treasury from “which government officials dip for pork, or funds for local projects.”( Robert Byrd. The Senate 1789-1989: Addresses on the History of the United States Senate) And also, defined by a Civil Society group in the Philippines, PDAF Watch, “pork barrel funds are those allocated to politicians such as congresspersons and senators, to be used, based on their decision, to fund programs or projects in their districts”. Based on the research, the pork barrel system in the Philippines was introduced by the Americans in 1922 and retained in the 1935 Constitution under the Commonwealth government. But in the era of Marcos regime, President Ferdinand Marcos abolished the pork barrel and distributed the money instead to his cronies.
Pork barrel became famous and implementing effectively in the presidency of Corazon Aquino. In 1989, it was first intended for special project in Visayas and Mindanao. But in the year 1990, the pork barrel of congressmen and senators was converted into lump sums or specified amounts, though as usual, influential lawmakers can increase their shares from the executive branch of the government. The pork barrel was dubbed the Country Development Fund (CDF) with an initial budget of P2.3 billion. After the abuse of the CDF was criticized by some quarters of society, it was renamed in 2000 with the euphemistic title of the current Priority Development Assistance Fund (PDAF).
Under the Arroyo regime, each congressman was granted P70 million and senators P200 million each. ( Tamayo, Adrian.. 2011. Pork Barrel, Philippine Politics and the Economy) Retrieved from http://philippine-democracy.blogspot.com/2011/07/pork-barrel-and-philippine-politics-and.html. In the year 2013, the expose of pork barrel scam was publicity phenomenal controversial that shake the Philippine politics. On July 12, Philippine Daily Inquirer publishes the first of its six article series on the P10 billion pork barrel scam and whistleblower Benhur Luy identifies Janet Napoles as the proprietor of the swindle along with five senators and 23 congressmen. It fearlessly reported the use of Napoles’ fake NGOs as sources of her wealth. She is also identified as a mother of all scams. In an interview with the Inquirer Luy said that ”JLN offered to lawmakers commissions equivalent to 40 to 60 percent of the amount of PDAF